MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to disposable hosting or compromised CMS upload directories, indicating a link farm designed to redirect users to malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL http://canvangdientu.com/images/file/xopuzuj.pdf In PDF document text
- https://www.conkite.com/wp-content/plugins/super-forms/uploads/php/files/ba4838a06601fd067858fa337cd96af5/nipovepewivuji.pdfIn PDF document text
- http://studioschicchi.eu/userfiles/files/41305923085.pdfIn PDF document text
- https://perfecthospital.org/ckfinder/userfiles/files/janimidaduwifoxuzuja.pdfIn PDF document text
- http://smm-mm.com/uploads/news_file/21413252575.pdfIn PDF document text
- http://www.gcsystem.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1613749489b68c---68463136466.pdfIn PDF document text
- https://deconkhoemanh.com/wp-content/plugins/super-forms/uploads/php/files/pk9ni84vceblfqem7jr3egrufo/49993417746.pdfIn PDF document text
- http://tuzvedo.hu/elemek/file/68452403960.pdfIn PDF document text
- http://highendschmiede.de/highendfiles/file/54933086567.pdfIn PDF document text
- http://machulski.com/public/file/88506414846.pdfIn PDF document text
- http://hnsunnyfood.com/d/files/46834879975.pdfIn PDF document text
- http://proart.by/media/file/53935362772.pdfIn PDF document text
- http://daieimotors.com/js/upload/files/tovakipewivi.pdfIn PDF document text
- https://x-leather.com/radsportfiles/file/fapufogat.pdfIn PDF document text
- http://permagnet.com/upload_files/file/210912011930713986gcoo10.pdfIn PDF document text
- https://lakecountyoralsurgery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f1bb3ed43f---vumamawugava.pdfIn PDF document text
- http://stringquartet.biz/web/images/fck/file/18374311607.pdfIn PDF document text
- http://hkalc.com/userfiles/56315114212.pdfIn PDF document text
- https://mytopics.it/uploads/file/vimuwiwajixuv.pdfIn PDF document text
- http://www.peritaonline.es/ckfinder/userfiles/files/64010236396.pdfIn PDF document text
- https://vegan-eshop.cz/data/file/petokobapubuwuvemurekuf.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=how+to+glitch+pokemon+go+to+walkPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000dca5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCA5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f4bc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4BC | 10720 bytes |
SHA-256: 979c3508febaa557b8e27d806270e6a01f40a11cff77c0a79d52191f5e886751 |
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font_02_sfnt_off00010d33.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D33 | 19540 bytes |
SHA-256: f961fc104f4ab9f88a4318ea3f17df5e92b34b1a9b55da6df5f076ebabe58662 |
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